Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 1 | /* |
Roman Elizarov | 1f74a2d | 2018-06-29 19:19:45 +0300 | [diff] [blame] | 2 | * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license. |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 3 | */ |
| 4 | |
Roman Elizarov | 0950dfa | 2018-07-13 10:33:25 +0300 | [diff] [blame] | 5 | package kotlinx.coroutines.rx2 |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 6 | |
Roman Elizarov | daae9a9 | 2018-02-23 21:24:30 +0300 | [diff] [blame] | 7 | import io.reactivex.* |
Roman Elizarov | 0950dfa | 2018-07-13 10:33:25 +0300 | [diff] [blame] | 8 | import kotlinx.coroutines.* |
Roman Elizarov | daae9a9 | 2018-02-23 21:24:30 +0300 | [diff] [blame] | 9 | import org.junit.* |
Dmitry Khalanskiy | 387d1dd | 2020-02-10 18:42:28 +0300 | [diff] [blame] | 10 | import org.junit.Test |
Roman Elizarov | daae9a9 | 2018-02-23 21:24:30 +0300 | [diff] [blame] | 11 | import java.util.concurrent.* |
Dmitry Khalanskiy | 387d1dd | 2020-02-10 18:42:28 +0300 | [diff] [blame] | 12 | import kotlin.test.* |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 13 | |
Vsevolod Tolstopyatov | 9a2eb38 | 2019-10-29 14:51:41 +0300 | [diff] [blame] | 14 | class ObservableSingleTest : TestBase() { |
Vsevolod Tolstopyatov | 1652bb9 | 2019-10-29 19:48:49 +0300 | [diff] [blame] | 15 | @Before |
| 16 | fun setup() { |
| 17 | ignoreLostThreads("RxComputationThreadPool-", "RxCachedWorkerPoolEvictor-", "RxSchedulerPurge-") |
| 18 | } |
| 19 | |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 20 | @Test |
| 21 | fun testSingleNoWait() { |
Vsevolod Tolstopyatov | 835ed4d | 2019-09-19 17:29:04 +0300 | [diff] [blame] | 22 | val observable = rxObservable { |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 23 | send("OK") |
| 24 | } |
| 25 | |
| 26 | checkSingleValue(observable) { |
| 27 | assertEquals("OK", it) |
| 28 | } |
| 29 | } |
| 30 | |
| 31 | @Test |
| 32 | fun testSingleAwait() = runBlocking { |
| 33 | assertEquals("OK", Observable.just("O").awaitSingle() + "K") |
| 34 | } |
| 35 | |
| 36 | @Test |
| 37 | fun testSingleEmitAndAwait() { |
Vsevolod Tolstopyatov | 835ed4d | 2019-09-19 17:29:04 +0300 | [diff] [blame] | 38 | val observable = rxObservable { |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 39 | send(Observable.just("O").awaitSingle() + "K") |
| 40 | } |
| 41 | |
| 42 | checkSingleValue(observable) { |
| 43 | assertEquals("OK", it) |
| 44 | } |
| 45 | } |
| 46 | |
| 47 | @Test |
| 48 | fun testSingleWithDelay() { |
Vsevolod Tolstopyatov | 835ed4d | 2019-09-19 17:29:04 +0300 | [diff] [blame] | 49 | val observable = rxObservable { |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 50 | send(Observable.timer(50, TimeUnit.MILLISECONDS).map { "O" }.awaitSingle() + "K") |
| 51 | } |
| 52 | |
| 53 | checkSingleValue(observable) { |
| 54 | assertEquals("OK", it) |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | @Test |
| 59 | fun testSingleException() { |
Vsevolod Tolstopyatov | 835ed4d | 2019-09-19 17:29:04 +0300 | [diff] [blame] | 60 | val observable = rxObservable { |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 61 | send(Observable.just("O", "K").awaitSingle() + "K") |
| 62 | } |
| 63 | |
| 64 | checkErroneous(observable) { |
Roman Elizarov | daae9a9 | 2018-02-23 21:24:30 +0300 | [diff] [blame] | 65 | assertTrue(it is IllegalArgumentException) |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 66 | } |
| 67 | } |
| 68 | |
| 69 | @Test |
| 70 | fun testAwaitFirst() { |
Vsevolod Tolstopyatov | 835ed4d | 2019-09-19 17:29:04 +0300 | [diff] [blame] | 71 | val observable = rxObservable { |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 72 | send(Observable.just("O", "#").awaitFirst() + "K") |
| 73 | } |
| 74 | |
| 75 | checkSingleValue(observable) { |
| 76 | assertEquals("OK", it) |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | @Test |
Roman Elizarov | 4a67afb | 2017-03-16 11:10:47 +0300 | [diff] [blame] | 81 | fun testAwaitFirstOrDefault() { |
Vsevolod Tolstopyatov | 835ed4d | 2019-09-19 17:29:04 +0300 | [diff] [blame] | 82 | val observable = rxObservable { |
Roman Elizarov | 4a67afb | 2017-03-16 11:10:47 +0300 | [diff] [blame] | 83 | send(Observable.empty<String>().awaitFirstOrDefault("O") + "K") |
| 84 | } |
| 85 | |
| 86 | checkSingleValue(observable) { |
| 87 | assertEquals("OK", it) |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | @Test |
| 92 | fun testAwaitFirstOrDefaultWithValues() { |
Vsevolod Tolstopyatov | 835ed4d | 2019-09-19 17:29:04 +0300 | [diff] [blame] | 93 | val observable = rxObservable { |
Roman Elizarov | 4a67afb | 2017-03-16 11:10:47 +0300 | [diff] [blame] | 94 | send(Observable.just("O", "#").awaitFirstOrDefault("!") + "K") |
| 95 | } |
| 96 | |
| 97 | checkSingleValue(observable) { |
| 98 | assertEquals("OK", it) |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | @Test |
Konrad Kamiński | b8ed47c | 2018-02-06 12:17:53 +0100 | [diff] [blame] | 103 | fun testAwaitFirstOrNull() { |
Vsevolod Tolstopyatov | 835ed4d | 2019-09-19 17:29:04 +0300 | [diff] [blame] | 104 | val observable = rxObservable<String> { |
Konrad Kamiński | b8ed47c | 2018-02-06 12:17:53 +0100 | [diff] [blame] | 105 | send(Observable.empty<String>().awaitFirstOrNull() ?: "OK") |
| 106 | } |
| 107 | |
| 108 | checkSingleValue(observable) { |
| 109 | assertEquals("OK", it) |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | @Test |
| 114 | fun testAwaitFirstOrNullWithValues() { |
Vsevolod Tolstopyatov | 835ed4d | 2019-09-19 17:29:04 +0300 | [diff] [blame] | 115 | val observable = rxObservable { |
Konrad Kamiński | b8ed47c | 2018-02-06 12:17:53 +0100 | [diff] [blame] | 116 | send((Observable.just("O", "#").awaitFirstOrNull() ?: "!") + "K") |
| 117 | } |
| 118 | |
| 119 | checkSingleValue(observable) { |
| 120 | assertEquals("OK", it) |
| 121 | } |
| 122 | } |
| 123 | |
| 124 | @Test |
| 125 | fun testAwaitFirstOrElse() { |
Vsevolod Tolstopyatov | 835ed4d | 2019-09-19 17:29:04 +0300 | [diff] [blame] | 126 | val observable = rxObservable { |
Konrad Kamiński | b8ed47c | 2018-02-06 12:17:53 +0100 | [diff] [blame] | 127 | send(Observable.empty<String>().awaitFirstOrElse { "O" } + "K") |
| 128 | } |
| 129 | |
| 130 | checkSingleValue(observable) { |
| 131 | assertEquals("OK", it) |
| 132 | } |
| 133 | } |
| 134 | |
| 135 | @Test |
| 136 | fun testAwaitFirstOrElseWithValues() { |
Vsevolod Tolstopyatov | 835ed4d | 2019-09-19 17:29:04 +0300 | [diff] [blame] | 137 | val observable = rxObservable { |
Konrad Kamiński | b8ed47c | 2018-02-06 12:17:53 +0100 | [diff] [blame] | 138 | send(Observable.just("O", "#").awaitFirstOrElse { "!" } + "K") |
| 139 | } |
| 140 | |
| 141 | checkSingleValue(observable) { |
| 142 | assertEquals("OK", it) |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | @Test |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 147 | fun testAwaitLast() { |
Vsevolod Tolstopyatov | 835ed4d | 2019-09-19 17:29:04 +0300 | [diff] [blame] | 148 | val observable = rxObservable { |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 149 | send(Observable.just("#", "O").awaitLast() + "K") |
| 150 | } |
| 151 | |
| 152 | checkSingleValue(observable) { |
| 153 | assertEquals("OK", it) |
| 154 | } |
| 155 | } |
| 156 | |
| 157 | @Test |
| 158 | fun testExceptionFromObservable() { |
Vsevolod Tolstopyatov | 835ed4d | 2019-09-19 17:29:04 +0300 | [diff] [blame] | 159 | val observable = rxObservable { |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 160 | try { |
| 161 | send(Observable.error<String>(RuntimeException("O")).awaitFirst()) |
| 162 | } catch (e: RuntimeException) { |
| 163 | send(Observable.just(e.message!!).awaitLast() + "K") |
| 164 | } |
| 165 | } |
| 166 | |
| 167 | checkSingleValue(observable) { |
| 168 | assertEquals("OK", it) |
| 169 | } |
| 170 | } |
| 171 | |
| 172 | @Test |
| 173 | fun testExceptionFromCoroutine() { |
Vsevolod Tolstopyatov | 835ed4d | 2019-09-19 17:29:04 +0300 | [diff] [blame] | 174 | val observable = rxObservable<String> { |
Vsevolod Tolstopyatov | 1652bb9 | 2019-10-29 19:48:49 +0300 | [diff] [blame] | 175 | throw IllegalStateException(Observable.just("O").awaitSingle() + "K") |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 176 | } |
| 177 | |
| 178 | checkErroneous(observable) { |
Roman Elizarov | daae9a9 | 2018-02-23 21:24:30 +0300 | [diff] [blame] | 179 | assertTrue(it is IllegalStateException) |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 180 | assertEquals("OK", it.message) |
| 181 | } |
| 182 | } |
| 183 | |
| 184 | @Test |
| 185 | fun testObservableIteration() { |
Vsevolod Tolstopyatov | 835ed4d | 2019-09-19 17:29:04 +0300 | [diff] [blame] | 186 | val observable = rxObservable { |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 187 | var result = "" |
Vsevolod Tolstopyatov | 0685dc4 | 2019-04-24 12:16:56 +0300 | [diff] [blame] | 188 | Observable.just("O", "K").collect { result += it } |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 189 | send(result) |
| 190 | } |
| 191 | |
| 192 | checkSingleValue(observable) { |
| 193 | assertEquals("OK", it) |
| 194 | } |
| 195 | } |
| 196 | |
| 197 | @Test |
| 198 | fun testObservableIterationFailure() { |
Vsevolod Tolstopyatov | 835ed4d | 2019-09-19 17:29:04 +0300 | [diff] [blame] | 199 | val observable = rxObservable { |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 200 | try { |
Vsevolod Tolstopyatov | 0685dc4 | 2019-04-24 12:16:56 +0300 | [diff] [blame] | 201 | Observable.error<String>(RuntimeException("OK")).collect { fail("Should not be here") } |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 202 | send("Fail") |
| 203 | } catch (e: RuntimeException) { |
| 204 | send(e.message!!) |
| 205 | } |
| 206 | } |
| 207 | |
| 208 | checkSingleValue(observable) { |
| 209 | assertEquals("OK", it) |
| 210 | } |
| 211 | } |
| 212 | } |